Finding the Fourth Proportional to 77,208.36, 115,811.32 and 24,617.49
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Solution
The fourth proportional to 77,208.36, 115,811.32 and 24,617.49 is: 36,925.85
Step by Step Solution
- Step 1: Write the proportion equation
77,208.36 : 115,811.32 = 24,617.49 : x - Step 2: Convert to fraction form
77,208.36/115,811.32 = 24,617.49/x - Step 3: Cross multiply
77,208.36x = 115,811.32 × 24,617.49 - Step 4: Simplify right side
77,208.36x = 2,850,984,011.99 - Step 5: Solve for x
x = 2,850,984,011.99/77,208.36 - Step 6: Final answer
x = 36,925.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.